Websites

- http://en.wikipedia.org/wiki/Xenotransplantation

- http://www.biotechlearn.org.nz/themes/biotech_therapies/xenotransplantation

Books

- Organ transplantation by Ann Fullick

- The cultural, ethical and spiritual aspects of animal-to-human transplantation: a report on xenotransplantation by Toi te Taiao: the Bioethics Council

Encyclopedias

- The World Book Encyclopedia